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74HC595 の電気的特性と機能

74HC595のメーカーはDiodesです、この部品の機能は「8-BIT SHIFT REGISTER」です。


製品の詳細 ( Datasheet PDF )

部品番号 74HC595
部品説明 8-BIT SHIFT REGISTER
メーカ Diodes
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74HC595 Datasheet, 74HC595 PDF,ピン配置, 機能
74HC595
8-BIT SHIFT REGISTER WITH 8-BIT OUTPUT REGISTER
Description
The 74HC595 is an high speed CMOS device.
An eight bit shift register accpets data from the serial input (DS) on
each positive transition of the shift register clock (STCP). When
asserted low the reset function (MR) sets all shift register values to
zero and is indepent of all clocks.
Data from the input serial shift register is placed in the output register
with a rising pulse on the storages resister clock (SHCP). With the
output enable (OEasserted low the 3-state outputs Q0-Q7 become
active and present th
All registers capture data on rising edge and change output on the
falling edge. If both clocks are connected together the input shift
register is always one clock cycle ahead of the output register.
Pin Assignments
Features
Wide Supply Voltage Range from 2.0V to 6.0V
Sinks or sources 8mA at VCC = 4.5V
CMOS low power consumption
Schmitt Trigger Action at All Inputs
Inputs accept up to 6.0V
ESD Protection Tested per JESD 22
Exceeds 200-V Machine Model (A115-A)
Exceeds 2000-V Human Body Model (A114-A)
Exceeds 1000-V Charged Device Model (C101C)
Latch-Up Exceeds 250mA per JESD 78, Class II
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
General Purpose Logic
Serial to Parallel Data conversion
Capture and hold data for extended periods of time.
Allow simple serial bit streams from a microcontroller to control as
many peripheral lines as needed.
Wide array of products such as:
Computer peripherals
Appliances
Industrial control
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Click here for ordering information, located at the end of datasheet
74HC595
Document number: DS35492 Rev. 3 - 2
1 of 11
www.diodes.com
June 2013
© Diodes Incorporated

1 Page





74HC595 pdf, ピン配列
74HC595
Functional Description and Timing Diagram
Control
Input
SHCP STCP OE MR
DS
XX L L
XL L
XXH L
X LH
XLH
 LH
Output
Q7S
Qn
L NC
LL
LZ
Q6S
NC
NC
Q6S
QnS
QnS
Function
Low-level asserted on MR clears shift register.
Storage register is unchanged
Empty shift register transferred to storage register
Shift register remains clear;: All Q ouputs in Z state.
HIGH is shifted into first stage of Shift Register Contents of each
register shifted to next register
The content of Q6S has been shifted to Q7S and now appears on
device pin Q7S
Contents of shift register copied to storage register. With output now
in active state the storage resister contents appear on Q outputs.
Contents of shift register copied to output register then shift register
shifted.
H=HIGH voltage state
L=LOW voltage state
=LOW to HIGH transition
X= don’t care – high or low (not floating)
NC= No change
Z= high-impedance state
74HC595
Document number: DS35492 Rev. 3 - 2
3 of 11
www.diodes.com
June 2013
© Diodes Incorporated


3Pages


74HC595 電子部品, 半導体
74HC595
Switching Characteristics
Symbol /
Parameter
fMAX
Maximum
Frequency
tW
Pulse Width
Pins Test Conditions
SHCP or
STCP
SHCP
HIGH or
LOW
STCP
HIGH or
LOW
Figure 1
Figure 1
Figure 1
MR LOW
Figure 1
tSU
Set-up Time
DS to
SHCP
SHCP tp
STCP
tH
Hold Time
DS to
SHCP
tREC
Recovery Time
MR to
SHCP
tPD
Propagation
Delay
SHCP
toQ7S
STCP to
Qn
tPHL
Propagation
Delay
MR toQ7S
tEN
Enable Time
OE to Qn
tDIS
Disable Time
OE to Qn
Figure 1
Figure 1
Figure 1
Figure 1
Figure 1
CL=50pF
Figure 1
CL=50pF
Figure 1
CL=50pF
Figure 1
CL=50pF
Figure 1
CL=50pF
VCC
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
TA = +25°C
Min Typ Max
9 30
30 91
35 108
75 17
15 6
13 5
75 11
15 4
13 3
75 17
15 6
13 5
50 11
10 4
93
75 22
15 8
13 7
3 -6
3 -2
3 -2
50 -19
10 -7
9 -6
52 160
19 32
15 27
55 175
20 35
16 30
47 175
17 35
14 30
47 150
17 30
14 26
41 150
15 30
12 26
-40°C to +85°C
Min Max
4.8
24
28
95
19
16
95
19
16
95
19
16
65
13
11
95
19
16
3
3
3
65
13
11
200
40
34
220
44
37
220
44
37
190
38
33
190
38
33
-40°C to +125°C
Min Max
4
20
24
110
22
19
110
22
19
110
22
19
75
15
13
110
22
19
3
3
3
75
15
13
240
48
41
265
53
45
265
53
45
225
45
38
225
45
38
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
74HC595
Document number: DS35492 Rev. 3 - 2
6 of 11
www.diodes.com
June 2013
© Diodes Incorporated

6 Page



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共有リンク

Link :


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